2860609 has 2 divisors, whose sum is σ = 2860610. Its totient is φ = 2860608.

The previous prime is 2860601. The next prime is 2860631. The reversal of 2860609 is 9060682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 65025 = 1672^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2860609 - 2³ = 2860601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2860601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430304 + 1430305.

It is an arithmetic number, because the mean of its divisors is an integer number (1430305).

2^2860609 is an apocalyptic number.

It is an amenable number.

2860609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2860609 is an equidigital number, since it uses as much as digits as its factorization.

2860609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2860609 is about 1691.3334975693. Note that the first 3 decimals coincide. The cubic root of 2860609 is about 141.9556993328.

The spelling of 2860609 in words is "two million, eight hundred sixty thousand, six hundred nine".